1264601313127 has 8 divisors (see below), whose sum is σ = 1276621430400. Its totient is φ = 1252584925944.

The previous prime is 1264601313113. The next prime is 1264601313139. The reversal of 1264601313127 is 7213131064621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264601313127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264601313167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248877 + ... + 1609702.

It is an arithmetic number, because the mean of its divisors is an integer number (159577678800).

Almost surely, 2^{1264601313127} is an apocalyptic number.

1264601313127 is a deficient number, since it is larger than the sum of its proper divisors (12020117273).

1264601313127 is a wasteful number, since it uses less digits than its factorization.

1264601313127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865045.

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 1264601313127 its reverse (7213131064621), we get a palindrome (8477732377748).

The spelling of 1264601313127 in words is "one trillion, two hundred sixty-four billion, six hundred one million, three hundred thirteen thousand, one hundred twenty-seven".